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Thanks for your comment @coinchaos. I read the Whitepaper and I encourage you to do as well.
Upvoting own post is perfectly fine, what is bad etiquette is to spam upvotes on each single comment, something that I never did.
You can use upvote to boost visibility, that's one of the added benefit of powering up.

Wrong. I have read the whitepaper 3 times line by line now and it clearly states that this behavior is bad.